F 350 2WD Super Duty V8-6.4L DSL Turbo (2009)
Crankshaft Main Bearing: Service and Repair
Bearing Inspection
Engine System - General Information
Bearing Inspection
1. Inspect bearings for the following defects:
1. Cratering - fatigue failure
2. Spot polishing - incorrect seating
3. Imbedded dirty engine oil
4. Scratching - dirty engine oil
5. Base exposed - poor lubrication
6. Both edges worn - journal damaged
7. One edge worn - journal tapered or bearing not seated
Engine
Bearing Inspection
1. Inspect bearings for the following defects. Possible causes are shown.
1. Cratering - fatigue failure.
2. Spot glazing - incorrect seating.
3. Scratching - dirty.
4. Base exposed - poor lubrication.
5. Both edges worn - journal damaged.
6. One edge worn - journal tapered or bearing not seated.